DLP Projector—User’s Manual
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PPENDIX
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Communication parameter setup
You can use the serial control command to input commands for projector control or retrieve its operational data
through Windows client terminal software
Operation commands
Operation command syntax
An operation command is prefixed by character "op", followed by control commands and settings separated by
space blank [SP], and ended by carriage return pair "CR" and "ASCII hex 0D".Syntax of serial control commands:
op[SP]<operation command>[SP]<Setting Value>[CR]
op
A constant indicating this is an operation command.
[SP]
Indicate one blank space.
[CR]
Indicate the command ending carriage return pair "CR" and "ASCII hex 0D".
Setting value
Settings of operation command
Types of setup strings
Characters of settings
Description
Query current setup
?
Question mark "?" indicates querying cur-
rent setup
Setup
= <settings>
Syntax: Symbol "=" suffixed with setup val-
ues
Increase setup order of adjustment
items
+
Some settings are changed in steps. Sym-
bol "+" indicates changing one step up
Decrease setup order of adjust-
ment items
-
Some settings are changed in steps. Sym-
bol "-" indicates changing one step down
Execute operation command
None
Certain operation commands execute after
input without further setting or regulators.
Examples:
Control items
Input command row
Projector return message
Execute command
reset.all[CR]
RESET.ALL
Query current brightness
op bright ?[CR]
OP BRIGHT = 50
Set up brightness
op bright = 100[CR]
OP BRIGHT = 100
Brightness value + 1
op [CR]
OP BRIGHT = "new value"
Brightness value - 1
op bright -[CR]
OP BRIGHT = "new value"
Out of range or not support
op bright = 200[CR]
OP BRIGHT = NA
Illegal command
op abright = 100[CR]
*Illegal format#
Note:When sending the multiple commands, make sure the return message of the last command is received before
sending out the next one.
Item
Parameter:
Bit per Second
9600 bps
Data Bit
8-bit
Parity
None
Stop Bit
1
Flow Control
None
